Hennessey, OK Weather & Growing Conditions
Tonight
75°F
Mostly Clear
Mostly clear, with a low around 75. South wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 75°F | Mostly Clear | 10 mph S | 1% |
| Saturday | 100°F | Sunny | 10 to 15 mph SSW | 4% |
| Saturday Night | 74°F | Chance Showers And Thunderstorms | 9 to 13 mph S | 40% |
| Sunday | 95°F | Showers And Thunderstorms Likely | 9 mph SSE | 59% |
| Sunday Night | 64°F | Chance Showers And Thunderstorms | 5 to 8 mph NE | 52% |
| Monday | 85°F | Chance Showers And Thunderstorms then Mostly Sunny | 9 mph NNE | 29% |
| Monday Night | 61°F | Partly Cloudy | 8 mph NE | 9% |
| Tuesday | 81°F | Partly Sunny | 9 mph NE | 9% |
| Tuesday Night | 58°F | Partly Cloudy | 8 mph ENE | 4% |
| Wednesday | 82°F | Mostly Sunny | 7 mph ENE | 13% |
| Wednesday Night | 61°F | Partly Cloudy then Slight Chance Rain Showers | 7 mph E | 16% |
| Thursday | 84°F | Chance Rain Showers | 7 mph E | 30% |
| Thursday Night | 63°F | Mostly Cloudy then Slight Chance Rain Showers | 6 mph ESE | 23% |
| Friday | 86°F | Chance Rain Showers | 7 mph SE | 25% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hennessey, OK
Last spring frost
Apr 14
First fall frost
Oct 30
Growing season
198 days
Hardiness zone
7a
Explore more for Hennessey, OK: full frost dates · planting calendar · Oklahoma frost dates
Climate data from the nearest NOAA station, Hennessey 4 Ese, Ok (4.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.